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Posted to issues@calcite.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/10/12 08:29:00 UTC

[jira] [Updated] (CALCITE-3403) WindowReduceExpressionsRule does not reuse RelMetadataQuery

     [ https://issues.apache.org/jira/browse/CALCITE-3403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated CALCITE-3403:
------------------------------------
    Labels: pull-request-available  (was: )

> WindowReduceExpressionsRule does not reuse RelMetadataQuery
> -----------------------------------------------------------
>
>                 Key: CALCITE-3403
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3403
>             Project: Calcite
>          Issue Type: Improvement
>            Reporter: Haisheng Yuan
>            Priority: Major
>              Labels: pull-request-available
>
> It creates a new RelMetadataQuery instance, which is a fresh RelMetadataQuery without any data cache. We should get RelMetadataQuery from RelOptRuleCall to reuse cache as much as possible.



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